ua-tracer
by Paul Kinlan
trace Aajiw7UX
what does a user agent actually fetch, follow & run?
Trace Aajiw7UX
First seen: 2026-07-04 04:44:17.713 UTC
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
Bot verification: Not a known bot (no IP-range check applies).
What this user agent did
Directly-referenced assets:
✗ fetched CSS
✗ fetched JS
✗ fetched image
✗ fetched font (HTML)
Document-level link hints:
✓ fetched favicon
✗ fetched apple-touch-icon
✗ fetched web manifest
✗ fetched preload
✗ fetched prefetch
Second-level follows (proves it parsed the linking file):
✗ followed CSS background-image
✗ followed CSS @font-face
✗ followed manifest icon
✗ followed CSS @import
Frames (does it descend into iframes?):
✗ fetched iframe document
✗ descended into iframe (loaded inner image)
Reporting (a report-only CSP is violated by inline styles; reports can arrive via HTTP headers with no JS, or via in-page beacons):
✗ sent a CSP/Reporting report (any path)
✗ delivered via report-uri/Report-To header (no JS)
✗ delivered via in-page beacon (securitypolicyviolation / ReportingObserver)
Social embed (Open Graph / Twitter card images):
✗ fetched og:image
✗ fetched twitter:image
JavaScript execution:
✗ EXECUTED classic JS
✗ EXECUTED ES module
✗ posted client timing
Server-side request waterfall
Every request the server received for this trace, in receive order. +ms is the delta from the
homepage request.
| Received | Δ | Kind | Method | User-Agent |
|---|---|---|---|---|
| 2026-07-04 04:44:17.713 UTC | +0 ms | homepage | GET | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 |
request headers (10){
"accept": "*/*",
"accept-encoding": "gzip",
"host": "uatracer.com",
"referer": "http://uatracer.com",
"traceparent": "00-63481ab5b39e403752fdf61f44586e12-6d099186b5398201-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-63481ab5b39e403752fdf61f44586e12-f2f7e0940183543f-01",
"x-deno-userspace-tracestate": ""
}
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| 2026-07-04 04:46:31.086 UTC | +133373 ms | favicon | GET | Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 |
request headers (10){
"accept": "image/avif,image/webp,image/apng,image/*,*/*;q=0.8",
"accept-encoding": "gzip",
"host": "uatracer.com",
"referer": "http://uatracer.com/r/Aajiw7UX/mFhLyPEV/favicon.ico",
"traceparent": "00-bf560870ca39e119c31a19045d790a1b-d881c2da205ede2a-01",
"tracestate": "",
"user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
"via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
"x-deno-userspace-traceparent": "00-bf560870ca39e119c31a19045d790a1b-dcde31c014dc35ea-01",
"x-deno-userspace-tracestate": ""
}
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